GR890100247A - Method and apparatus for installing a riplacement pipe in an existing underground conduit - Google Patents
Method and apparatus for installing a riplacement pipe in an existing underground conduitInfo
- Publication number
- GR890100247A GR890100247A GR89100247A GR890100247A GR890100247A GR 890100247 A GR890100247 A GR 890100247A GR 89100247 A GR89100247 A GR 89100247A GR 890100247 A GR890100247 A GR 890100247A GR 890100247 A GR890100247 A GR 890100247A
- Authority
- GR
- Greece
- Prior art keywords
- pipe
- anterior end
- round
- new pipe
- expanded
- Prior art date
Links
Abstract
An essentially rigid thermoplastic pipe, produced in flat and folded forms, having the property of reverting to its original round form upon heating and stored in this flat state. Prior to installation and positioning within existing pipes, these are heated and rendered flexible. A new pipe is made round by the introduction of liquid, heated to specifications allowing conveyance throughout the length of curves, while sealing its anterior end. This anterior end can be sealed with an end collar clamp, or expanded plug, serving to allow conveyance of hot liquid completely within the pipe, thereby heating its entire length. Alternately, the expanded plug can be pushed to the anterior end of the new pipe after its placement and subsequently, be completely expanded to seal the end, thereby helping to make it round and extending the remaining part of the new pipe.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR89100247 | 1989-04-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
GR890100247A true GR890100247A (en) | 1991-09-27 |
GR1000704B GR1000704B (en) | 1992-10-08 |
Family
ID=10939384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR890100247A GR1000704B (en) | 1989-04-13 | 1989-04-13 | Method and apparatus for installing a riplacement pipe in an existing underground conduit |
Country Status (1)
Country | Link |
---|---|
GR (1) | GR1000704B (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0065886A1 (en) * | 1981-04-13 | 1982-12-01 | Jacques Laurent | Method of lining a passageway and tube for carrying it out |
GB2188695A (en) * | 1986-03-31 | 1987-10-07 | Jr Campbell Hall Steketee | Lining pipes |
GB2208311A (en) * | 1987-07-28 | 1989-03-22 | Jr Campbell H Steketee | Lining pipe |
-
1989
- 1989-04-13 GR GR890100247A patent/GR1000704B/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0065886A1 (en) * | 1981-04-13 | 1982-12-01 | Jacques Laurent | Method of lining a passageway and tube for carrying it out |
GB2188695A (en) * | 1986-03-31 | 1987-10-07 | Jr Campbell Hall Steketee | Lining pipes |
GB2208311A (en) * | 1987-07-28 | 1989-03-22 | Jr Campbell H Steketee | Lining pipe |
Non-Patent Citations (1)
Title |
---|
CLAIMS SEARCHED: ALL * |
Also Published As
Publication number | Publication date |
---|---|
GR1000704B (en) | 1992-10-08 |
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